The 50-plus-year-old spacecraft has been trapped in Earth orbit for decades. Now, it’s expected to fall back home.

Witman, who snapped a less-detailed image of Venus' rainbow crescent from Cochranville, Pennsylvania on March 9. In this ...

The composite image, captured by astrophotographer Josh Dury, shows Mars, Jupiter, Uranus, Saturn, Venus, Neptune and Mercury ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out before sunrise and view brilliant Venus. The planet, which is only outshone by the Sun or the Moon, will lie low in ...

Ultraviolet image of Venus (left) and optical image of Mercury (right) obtained by NASA's Mariner 10 spacecraft during its mission in the 1970s. Credit: NASA ...